chagne sam image not to use alpine, due to aws/aws-cli#4971

sam/Dockerfile

@@ -1,5 +1,10 @@
-FROM python:3.9.4-alpine
+FROM python:3.9.4
 LABEL description="AWS SAM cli"
-RUN apk --update --no-cache add curl zip gcc linux-headers musl-dev
+# use google dns
+RUN echo "nameserver 8.8.8.8" > /etc/resolv.conf
+RUN apt-get update && apt-get install zip gcc musl-dev
 RUN pip install aws-sam-cli
+RUN curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" \
+    && unzip awscliv2.zip \
+    && ./aws/install
 ENTRYPOINT ["/bin/sh", "-l", "-c"]